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llvm-mirror/test/CodeGen/AArch64/fast-isel-shift.ll
Juergen Ributzka 9ceeaa8bbc [FastISel][AArch64] Add support for shift-immediate.
Currently the shift-immediate versions are not supported by tblgen and
hopefully this can be later removed, once the required support has been
added to tblgen.

llvm-svn: 214345
2014-07-30 22:04:22 +00:00

90 lines
1.9 KiB
LLVM

; RUN: llc -fast-isel -fast-isel-abort -mtriple=arm64-apple-darwin < %s | FileCheck %s
; CHECK-LABEL: lsl_i8
; CHECK: lsl {{w[0-9]*}}, {{w[0-9]*}}, #4
define zeroext i8 @lsl_i8(i8 %a) {
%1 = shl i8 %a, 4
ret i8 %1
}
; CHECK-LABEL: lsl_i16
; CHECK: lsl {{w[0-9]*}}, {{w[0-9]*}}, #8
define zeroext i16 @lsl_i16(i16 %a) {
%1 = shl i16 %a, 8
ret i16 %1
}
; CHECK-LABEL: lsl_i32
; CHECK: lsl {{w[0-9]*}}, {{w[0-9]*}}, #16
define zeroext i32 @lsl_i32(i32 %a) {
%1 = shl i32 %a, 16
ret i32 %1
}
; FIXME: This shouldn't use the variable shift version.
; CHECK-LABEL: lsl_i64
; CHECK: lsl {{x[0-9]*}}, {{x[0-9]*}}, {{x[0-9]*}}
define i64 @lsl_i64(i64 %a) {
%1 = shl i64 %a, 32
ret i64 %1
}
; CHECK-LABEL: lsr_i8
; CHECK: lsr {{w[0-9]*}}, {{w[0-9]*}}, #4
define zeroext i8 @lsr_i8(i8 %a) {
%1 = lshr i8 %a, 4
ret i8 %1
}
; CHECK-LABEL: lsr_i16
; CHECK: lsr {{w[0-9]*}}, {{w[0-9]*}}, #8
define zeroext i16 @lsr_i16(i16 %a) {
%1 = lshr i16 %a, 8
ret i16 %1
}
; CHECK-LABEL: lsr_i32
; CHECK: lsr {{w[0-9]*}}, {{w[0-9]*}}, #16
define zeroext i32 @lsr_i32(i32 %a) {
%1 = lshr i32 %a, 16
ret i32 %1
}
; FIXME: This shouldn't use the variable shift version.
; CHECK-LABEL: lsr_i64
; CHECK: lsr {{x[0-9]*}}, {{x[0-9]*}}, {{x[0-9]*}}
define i64 @lsr_i64(i64 %a) {
%1 = lshr i64 %a, 32
ret i64 %1
}
; CHECK-LABEL: asr_i8
; CHECK: asr {{w[0-9]*}}, {{w[0-9]*}}, #4
define zeroext i8 @asr_i8(i8 %a) {
%1 = ashr i8 %a, 4
ret i8 %1
}
; CHECK-LABEL: asr_i16
; CHECK: asr {{w[0-9]*}}, {{w[0-9]*}}, #8
define zeroext i16 @asr_i16(i16 %a) {
%1 = ashr i16 %a, 8
ret i16 %1
}
; CHECK-LABEL: asr_i32
; CHECK: asr {{w[0-9]*}}, {{w[0-9]*}}, #16
define zeroext i32 @asr_i32(i32 %a) {
%1 = ashr i32 %a, 16
ret i32 %1
}
; FIXME: This shouldn't use the variable shift version.
; CHECK-LABEL: asr_i64
; CHECK: asr {{x[0-9]*}}, {{x[0-9]*}}, {{x[0-9]*}}
define i64 @asr_i64(i64 %a) {
%1 = ashr i64 %a, 32
ret i64 %1
}